Hi New to Forum. Looking for some help. Bought those recently and have very little info on where they came and what they are. Any experts to help? Usually ohlins billets stamping starts with FG … my have , what I think date of manufacture please see pictures. Is this genuine ohlins billets? Previous owner had them fitted on he’s 998r. I want to fit them on my 998. What offset I need for break discs? Any wheel spacers? I believe callipers 108mm required